There is no bold noun in the given sentence, so none of the options apply.
The term for the bold noun is "subject".
To identify the term for the bold noun in the sentence, we need to understand the sentence structure. The subject performs the action in the sentence, the verb represents the action, and the object receives the action. In this case, "Robert" is the subject, "cooked" is the verb, and "waffles" is the object receiving the action of being cooked. Therefore, the term for the bold noun "waffles" is the direct object.